Precision Higgs Physics at the CEPC

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NSM-2305-260984.89.pdf (8.72 MB)

Date

2019-03-04

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Publisher

Institute of Physics Publishing

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URI

http://dx.doi.org/10.1088/1674-1137/43/4/043002
 https://hdl.handle.net/10735.1/7353

Abstract

The discovery of the Higgs boson with its mass around 125 GeV by the ATLAS and CMS Collaborations marked the beginning of a new era in high energy physics. The Higgs boson will be the subject of extensive studies of the ongoing LHC program. At the same time, lepton collider based Higgs factories have been proposed as a possible next step beyond the LHC, with its main goal to precisely measure the properties of the Higgs boson and probe potential new physics associated with the Higgs boson. The Circular Electron Positron Collider (CEPC) is one of such proposed Higgs factories. The CEPC is an e⁺e⁻ circular collider proposed by and to be hosted in China. Located in a tunnel of approximately 100 km in circumference, it will operate at a center-of-mass energy of 240 GeV as the Higgs factory. In this paper, we present the first estimates on the precision of the Higgs boson property measurements achievable at the CEPC and discuss implications of these measurements. © 2019 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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Keywords

Circular Electron Positron Collider, Higgs bosons, Higgs bosons--Property, Large Hadron Collider (France and Switzerland)

item.page.sponsorship

National Key Program for S&T Researh and Development 2016YFA0400400); the CAS/SAFEA International Partnership Program for Creative Research Teams (H751S018S5); IHEP Innovation Grant (Y4545170Y2); Key Research Program of Frontier Sciences, CAS (XQYZDY-SSW-SLH002); Chinese Academy of Science Special Grant for Large Scientific Project (113111KYSB20170005); the National Natural Science Foundation of China (11675202); the Hundred Talent Programs of Chinese Academy of Science (Y3515540U1); Fermi Research Alliance, LLC (DE-AC02-07CH11359); the NSF (PHY1620074); Beijing Municipal Science and Technology Commission project (Z181100004218003)

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CC BY 3.0 (Attribution), ©2019 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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Lou, Xinchou